c = 2 pi r
= 2 x 3.14 x 5
=31.4 m
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Radius of circle: 5/2*pi m
The answer depends on whether 5m refers to the radius or diameter.
radius = 5 m so circumference = 2*pi*r = 31.4159 m (to 4 dp)
radius = diameter/2 so in this case it would be 2.5 metres.
5m, taking an online math test? Pathetic.